The pepper are commonly used for cooking in places such as the Southern U.S. and Central America. Most are moderately spicy, though because there are so many variants, the spice level can vary dramatically. Cayenne powder is also a popular seasoning product made from pepper plants.

Sweet basil is a species of mint plant native to Asia and Africa. It is a popular houseplant, and thrives when it receives plenty of regular sun and water. This plant is also easy to transfer from one soil environment to another. The edible sweet basil leaves can be eaten fresh or dried with pizza, salads, soups, teas, and many other dishes.

The buttonwood is an evergreen tree known for its cluster of whitish flowers and cone-like fruits. Its wood is sometimes used as firewood or in cabinets, but it takes some work to achieve a smooth finish. Birds and crabs may depend on the buttonwood since its rich foliage can create a habitat for other species.

Jatropha gossypiifolia, commonly known as bellyache bush, black physicnut or cotton-leaf physicnut, is a species of flowering plant in the spurge family, Euphorbiaceae. The species is native to Mexico, South America, Gujarat State (India) and the Caribbean islands. It is a declared noxious weed in Puerto Rico and is naturalised in northern Australia, including Queensland where it is listed as a Class 2 declared pest plant. It grows to 2.5 to 4 m high. The three lobed leaves are purple and sticky when young and become bright green with age. The small red flowers with yellow centres appear in clusters. These are followed by cherry-sized seed pods that are poisonous. Powdery mildew fungal disease was reported. There are many common names for Jatropha gossypiifolia including: bellyache-bush, black physicnut, and cotton-leaf physicnut in English; pinon negro, pinon colorado, and tua-tua in Spanish; medicinier noir and medicinier rouge in French; mamoninha and peao-roxo in Brazil; jarak merah and sibidigua in India.

Aloe vera is an evergreen succulent species native to the Arabian Peninsula. The thick leaves are filled with gooey flesh that stores water for survival in its native desert territories. Aloe vera has become a popular houseplant and is also incorporated into a wide range of cosmetics and skin-care products.

Portulaca oleracea, colloquially known as common purslane, is an annual succulent species with reddish stems and tiny yellow, five-petal flowers. It is used for culinary purposes in various parts of the world, most often raw, in salads. Common purslane is also a good companion plant for crops that thrive in moist soils.

Watermelon (Citrullus lanatus) is a flowering plant with a vine-like appearance native to Western Africa. Watermelon bears fruit that are widely cultivated and consumed across the world. Watermelon grow in tropical and temperate climates and requires warmth to grow. There are 1000 varieties around the world.

The peacock flower, Barbados' national flower, is a striking ornamental plant commonly grown in public and private gardens. Although the seeds of this flower are toxic if consumed, the fruits are edible. Some parts of this plant are used as medicine by Indonesians and West Indians. This plant is toxic to dogs and cats but provides food for butterflies and bees.

The bitter melon, which originated in Africa, is cultivated worldwide for its edible fruit. The bitter fruits come in various shapes and sizes and are commonly used in Asian cuisine. The fruits are sliced, sprinkled with salt, and then steeped in water to decrease their bitterness. For centuries, this climbing vine has been utilized as an herbal medicine throughout Asia and Africa.

Not truly in the Oregano family, mexican mint or Coleus amboinicus is actually a perennial succulent from the mint family that is used for the same culinary purposes as oregano. Although it is often grown as a houseplant, mexican mint can be grown in the garden in warm weather. The flavor is exceptionally strong, so use a moderate amount of mexican mint when cooking.

Kapok tree (Ceiba pentandra) is a rain forest plant that can shoot up to as much as 61 m. It towers over every other plant in its native habitat. The trunk can get as wide as 3 m in diameter. Its nooks and crannies are hosts to a staggering array of both plant and animal species, including birds and frogs.

Scorpion's-tail (Heliotropium angiospermum) is a short-lived perennial that will grow to 91 cm tall. Prefers full sun to partial shade and grows well in dry, rocky or sandy soils. Blooms year-round with small white flowers that bloom in terminal spikes and look similar to a scorpion's-tail. Flowers attract pollinators.

Portia Tree (Thespesia populnea) is a tropical, evergreen tree valued for its rich, dark wood. Commonly found growing in coastal areas. Thrives in full sun with moist but well-drained soil. It is drought, wind and salt-tolerant. Edible leaves and fruit can be eaten fresh or cooked. The bark, roots, leaves, flowers and fruit have been used medicinally.

Apple of Sodom, or Calotropis procera, is an extremely poisonous plant. The fruit of this plant ripens and bursts, causing the seeds to scatter. In Jamaica, the fibers inside of the fruit are collected and used to stuff pillows.

Papaya is a fruit-bearing plant that originates from Central America. The fruits are edible and sweet and juicy when ripe. An enzyme collected from the milky sap is used as a meat softener, which if ingested may be toxic. Keeping a papaya plant in your garden will welcome many birds to your landscape.

The white manjack is an evergreen species native to North and South America. Because these plants grow well in most soil and climate conditions, they have been used for reforestation in some areas in the Caribbean. White manjack are also cultivated for fruit and wood as well as for ornamental purposes.

Mango tree is a large tree native to the Indian subcontinent. It is most well-known for the tropical fruit it produces, and mango is the national fruit of India, Pakistan, and the Philippines. Mango tree can also be used for wood after the tree’s fruit production is over. This type of wood is highly prized for making musical instruments.

The focal point of a dieffenbachia is the beautiful look and patterns of the foliage, which are often variegated. This plant has showy white blooms, but only flowers in perfect conditions. Use caution, because the dieffenbachia is poisonous; if the sap is ingested it can cause muteness for up to two weeks by numbing the throat and vocal cords.

Bridal bouquet (Plumeria pudica) is an evergreen tropical tree that features unusual spoon-shaped leaves and is known for its flowers. Unlike other plumerias, these blooms do not have any fragrance. This tropical tree grows in full sunlight and requires well-drained soil.

This small perennial plant, the shoreline purslane, is found on coastlines around the world. It forms a short, dense groundcover that helps to prevent the erosion of coastlines and sand dunes. It produces tiny pink flowers and will tolerate occasional flooding from seawater.